CN213845099U - Micro switch - Google Patents

Abstract

The utility model discloses a microswitch, which relates to the technical field of switches and mainly solves the problems of larger rebound noise and lower rebound touch feeling of the microswitch for the prior computer mouse; the device includes the mounting panel, be provided with first wire board on the mounting panel, the end of first wire board is provided with the hemisphere piece, the bottom of hemisphere piece is installed on the stopper, be provided with the sliding sleeve between first wire board and the stopper, the left side of mounting panel is provided with second wire board and third wire board, be provided with the conducting block between second wire board and the third wire board, the conducting block links to each other with the fourth wire board, the lower extreme of fourth wire board is provided with the concave groove, the concave groove is mutually supported with the hemisphere piece, the upside of fourth wire board is provided with the push rod, the push rod upper end is provided with the spring board, the left end of spring board passes through the welding point and links to each other with the mounting panel.

Description

Micro switch

Technical Field

The utility model relates to the technical field of switches, specifically a micro-gap switch.

Background

The microswitch is a switch which has a minute contact interval and a quick action mechanism, performs a switching action by a specified stroke and a specified force, is covered by a shell, and has a driving rod outside.

The microswitch has wide application range, such as pressing input structure on keyboard, left and right key pressing switch of mouse, etc. the microswitch in available mouse has great noise in rebounding key position and low rebounding touch feeling to affect the use feeling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a micro-gap switch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a microswitch comprises a mounting plate, a first wire guide plate is arranged on the mounting plate, a hemispherical block is arranged at the tail end of the first wire guide plate, the bottom of the hemisphere block is arranged on the limiting block, a sliding sleeve is arranged between the first wire guide plate and the limiting block, a second wire guide plate and a third wire guide plate are arranged on the left side of the mounting plate, a conductive block is arranged between the second wire guide plate and the third wire guide plate, the conductive block is connected with a fourth wire guide plate, the lower end of the fourth wire guide plate is provided with a concave groove, the concave groove is matched with the hemispherical block, a push rod is arranged on the upper side of the fourth wire guide plate, a spring plate is arranged at the upper end of the push rod, the left end of the spring plate is connected with the mounting plate through a welding point, the tail end of the push rod is always in contact with the fourth wire guide plate, and the tail end of the fourth wire guide plate is connected with the rebounding device.

As a further aspect of the present invention: the rebounding device comprises a rebounding block, the rebounding block is fixedly arranged on the mounting plate, a rebounding groove is formed in the rebounding block, a sliding block is arranged at the tail end of the fourth wire guide plate, a return spring is arranged between the sliding block and the rebounding groove, a cushion is arranged at the top of the rebounding groove, and a top point is arranged on the sliding block.

As a further aspect of the present invention: the outer layer of the hemispherical block is provided with graphite.

As a further aspect of the present invention: and lubricating grease is arranged in the rebound groove.

As a further aspect of the present invention: and a rubber cap is arranged between the push rod and the spring plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model arranges the hemisphere block through the limiting block, and combines the hemisphere block and the concave groove on the fourth wire guide plate to be matched with each other, thereby leading the fourth wire guide plate to be communicated with the first wire guide plate all the time; through set up the resilience piece on the mounting panel, combine the slider on the resilience groove that sets up and the fourth wire board on the resilience piece, cooperation return spring promotes the resilience sense of touch of key position, sets up cushion and summit in the resilience groove simultaneously, the noise intensity that produces when effectively reducing to kick-back.

Drawings

Fig. 1 is a schematic structural diagram of a microswitch.

Fig. 2 is an enlarged schematic diagram of a microswitch at a.

Fig. 3 is a schematic structural diagram of a hemispherical block in a microswitch.

In the figure: the novel flexible printed circuit board comprises a mounting plate 1, a first wire guide plate 2, a second wire guide plate 3, a third wire guide plate 4, an upper contact point 5, a lower contact point 6, a conductive block 7, a fourth wire guide plate 8, a sliding block 80, a vertex 81, a return spring 82, a concave groove 9, a hemispherical block 10, a limiting block 11, a sliding sleeve 12, a push rod 13, a rubber cap 14, a spring plate 15, a welding point 16, a rebound block 17, a rebound groove 170 and a cushion 171.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1:

referring to fig. 1-3, a micro switch includes a mounting plate 1, a first wire guide plate 2 is disposed on the mounting plate 1, a hemispherical block 10 is disposed at the end of the first wire guide plate 2, the bottom of the hemispherical block 10 is mounted on a limiting block 11, a sliding sleeve 12 is disposed between the first wire guide plate 2 and the limiting block 11, a second wire guide plate 3 and a third wire guide plate 4 are disposed on the left side of the mounting plate 1, a conductive block 7 is disposed between the second wire guide plate 3 and the third wire guide plate 4, the conductive block 7 is connected to a fourth wire guide plate 8, a concave groove 9 is disposed at the lower end of the fourth wire guide plate 8, the concave groove 9 and the hemispherical block 10 are matched with each other, a push rod 13 is disposed at the upper side of the fourth wire guide plate 8, a spring plate 15 is disposed at the upper end of the push rod 13, and the left end of the spring plate 15 is connected to the mounting plate 1 through a welding point 16, the end of the push rod 13 is always in contact with the fourth wire guide plate 8, and the end of the fourth wire guide plate 8 is connected with the rebounding device.

Specifically, by providing the concave groove 9 and the hemispherical block 10, the fourth wire guide plate 8 can rotate freely while the first wire guide plate 2 and the fourth wire guide plate 8 are reliably connected.

More specifically, install push rod 13 through spring board 15 for fourth wire board 8 push rod 13 contacts with fourth wire board 8 all the time when rotating, thereby effectively reduces the noise intensity that the part contact produced in the pressing process.

Further, resilient means includes resilience piece 17, resilience piece 17 is fixed to be set up on mounting panel 1, be provided with resilience groove 170 in the resilience piece 17, the end of fourth wire guide 8 is provided with slider 80, be provided with return spring 82 between slider 80 and the resilience groove 170, the top of resilience groove 170 is provided with cushion 171, be provided with summit 81 on the slider 80.

Specifically, in order to further ensure the tactile sensation of springback and reduce the noise which may be generated by springback, the slider 80 on the fourth wire guide 8 is installed by arranging the springback block 17 and combining the springback block 17 with the springback groove 170, and the return spring 82, the peak 81 and the soft pad 171 are matched to effectively reduce the tactile sensation of springback and ensure the tactile sensation of springback.

Further, grease is provided in the rebound groove 170.

Further, a rubber cap 14 is arranged between the push rod 13 and the spring plate 15.

Example 2:

this embodiment is a further improvement and a limitation of embodiment 1 on the basis of embodiment 1.

A microswitch comprising all the components of embodiment 1 and further comprising:

further, the outer layer of the hemispherical block 10 is provided with graphite.

Specifically, the graphite layer is arranged to improve the conductivity, and meanwhile, the hemispherical block 10 and the concave groove 9 are convenient to contact and mount.

The utility model discloses a theory of operation is:

as shown in fig. 1-3, a hemispherical block 10 is disposed through a limiting block 11, and the hemispherical block 10 and the concave groove 9 on the fourth wire guide plate 8 are matched with each other, so that the fourth wire guide plate 8 is always communicated with the first wire guide plate 2; through set up rebound block 17 on mounting panel 1, combine the rebound groove 170 that sets up on rebound block 17 and the slider 80 on the fourth wire guide 8, cooperation return spring 82, promote the key position and kick back the sense of touch, set up cushion 171 and summit 81 in rebound groove 170 simultaneously, effectively reduce the noise intensity that produces when kick-backing.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A microswitch comprises a mounting plate (1) and is characterized in that a first wire guide plate (2) is arranged on the mounting plate (1), a semispherical block (10) is arranged at the tail end of the first wire guide plate (2), the bottom of the semispherical block (10) is mounted on a limiting block (11), a sliding sleeve (12) is arranged between the first wire guide plate (2) and the limiting block (11), a second wire guide plate (3) and a third wire guide plate (4) are arranged on the left side of the mounting plate (1), a conductive block (7) is arranged between the second wire guide plate (3) and the third wire guide plate (4), the conductive block (7) is connected with a fourth wire guide plate (8), a concave groove (9) is arranged at the lower end of the fourth wire guide plate (8), the concave groove (9) is matched with the semispherical block (10), a push rod (13) is arranged on the upper side of the fourth wire guide plate (8), push rod (13) upper end is provided with spring board (15), the left end of spring board (15) passes through welding point (16) and links to each other with mounting panel (1), the end of push rod (13) is installed with fourth wire board (8) contact all the time, the end of fourth wire board (8) links to each other with resilient mounting.

2. A microswitch according to claim 1, wherein the resilient means comprises a resilient block (17), the resilient block (17) is fixedly arranged on the mounting plate (1), a resilient slot (170) is arranged in the resilient block (17), a slide block (80) is arranged at the end of the fourth wire guide (8), a return spring (82) is arranged between the slide block (80) and the resilient slot (170), a soft cushion (171) is arranged at the top of the resilient slot (170), and a vertex (81) is arranged on the slide block (80).

3. A microswitch according to claim 1, wherein the outer layer of the half sphere block (10) is provided with graphite.

4. A microswitch according to claim 2 wherein grease is provided in the resilient groove (170).

5. A microswitch according to claim 1, wherein a rubber cap (14) is arranged between the push rod (13) and the spring plate (15).

Images